<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>

<form action="/myWeb/three" method="post">
    请求参数：<input type="text" name="userName">
    <br/>
    <input type="submit" value="post点击注册">
</form>

<form action="/myWeb/three" method="get">
    请求参数：<input type="text" name="userName">
    <br/>
    <input type="submit" value="get点击注册">
</form>
</body>
</html>